28 Mutton Lane Potters Bar Hertfordshire EN6 2PA

1. 3 Aug 2026

   Received by Hertsmere

2. 12 Aug 2026

   Added to PlanIndex

3. 22 Sep 2026

   Decision issued: Permitted

Hertsmere granted permission on 22 September 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 21 Holly Drive Potters Bar Hertfordshire EN6 2QL

  26/0718/CLP Submitted 26 May 2026 50 yards away

  Construction of part single, part two storey rear extension with associated roof works. Certificate of Lawful Development (Proposed).

  Decided Lawful development Extension 5 docs

• 7 Holly Drive Potters Bar Hertfordshire EN6 2QL

  23/0155/HSE Submitted 30 Jan 2023 100 yards away

  Erection of front porch. (Retrospective application)

  Refused Householder Extension 9 docs
  Small domestic

• 7 Holly Drive Potters Bar Hertfordshire EN6 2QL

  23/0097/HSE Submitted 19 Jan 2023 100 yards away

  Outbuilding in rear garden. (Retrospective application)

  Granted Householder 8 docs
  Small domestic

• Maple House, 1 To 7 Princes Parade, 8-16 (evens), And 30 - 32 High Street Potters Bar Hertfordshire

  26/1162/S62A Submitted 13 Aug 2026 100 yards away

  87% historically approved · decision due ~8 Oct

  Partial demolition of existing buildings (with retention of existing two-storey car park and substation) and redevelopment of the site to provide a mixed-use development comprising residential apartments (class C3) and flexible commercial floorspace (class E) across 4 blocks and associated internal roads, parking, drainage, landscaping, amenity space and associated works (PINS reference S62A/2026/0159).

  Awaiting decision New dwelling Demolition 221 docs

• 21 Holly Drive Potters Bar Hertfordshire EN6 2QL

  26/0508/PD42 Submitted 14 Apr 2026 100 yards away

  Single storey rear extension. Depth: 5.0m, Height: 3.0m, Eaves: 3.0m.

  Refused Prior approval Extension 5 docs
  Small domestic

• 21 Holly Drive Potters Bar Hertfordshire EN6 2QL

  26/0453/PD42 Submitted 7 Apr 2026 100 yards away

  Single storey rear extension. Depth: 6.00m, Height: 3.00m, Eaves: 3.00m.

  Refused Prior approval Extension 6 docs
  Small domestic

• 26/1156/CLP Decided

  30 Ladbrooke Drive Potters Bar Hertfordshire EN6 1QR

  Single storey rear extension. Conversion of loft to habitable space with hip-to-gable roof alterations to include rear dormer. Certificate of Lawful Development (Proposed).

  Received 12 Aug, published by the council 25 Aug 2026 Lawful development
• 26/1507/CLP Awaiting decision

  30 Ladbrooke Drive Potters Bar Hertfordshire EN6 1QR

  Single storey rear extension and conversion of loft to habitable space including hip to gable roof alterations, rear dormer, and 4x roof lights. Certificate of lawful development (Proposed).

  Received 19 Oct, published by the council 22 Oct 2026 Lawful development
• 26/1494/CLP Awaiting decision

  32 Billy Lows Lane Potters Bar Hertfordshire EN6 1XN

  Demolition of existing garage and temporary shed to facilitate construction of single storey side extension, conversion of loft to habitable space to include hip to gable roof alterations, rear dormer and 4x front rooflights Certificate of Lawful Development (Proposed).

  Received 16 Oct, published by the council 21 Oct 2026 Lawful development
• 26/1489/CLP Awaiting decision

  6 Minorca Close Bentley Heath Barnet Hertfordshire EN5 4FA

  Erection of detached outbuilding in the rear garden for uses ancillary to the main dwelling. Certificate of Lawful Development (Proposed).

  Received 15 Oct, published by the council 20 Oct 2026 Lawful development
• 26/1258/CLP Granted

  106 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HE

  Construction of single storey rear extension. Certificate of Lawful Development (Proposed).

  Received 1 Sep, published by the council 8 Sep 2026 Lawful development